... by requirements 3,innovated European technology 4,PLC control ppr Pipe production line Material adopted: PE,PP,PB,PERT,ABS etc. Main feature:1 ... , Innovated European Technology5 ,We adopt 2Screw Extruders,1 is for pipe extrution , the other for the colour line6, Lower noise, ... bronze calibration sleeve ensures fast cooling speed and molding of pipe. Its material is stainless steel.2,Spray cooling water ...